Water enters into root hairs from the soil on account of ________.
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Transpiration occurs through
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Cohesion theory of ascent of sap was proposed by
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Which of the following explain ascent of sap?
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A semipermeable membrane allows the diffusion of
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Transpiration rate is dependent upon
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In seed germination, the first to occur is
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Transpiration is not helpful in ________.
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Transpiration is regulated by movements of
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Guard cells differ from epidermal cells in having
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